z = + 2.58; Assuming that this score comes from a normal distribution, which of the following can you correctly conclude?

a. PRX = 99.5
b. PRX = 95
c. about 5% of the scores lie above this score
d. about 1% of the scores lie above this score
e. 99.5 % of the scores lie above this score


Ans: a

Education

You might also like to view...

A child’s curriculum should be designed by_________

a. observing b. analyzing c. planning d. observing, analyzing, and planning

Education

With commercial science kits,

a.materials are usually less costly than in teacher-made kits because the kit producers buy in bulk. b...................................storage space is used only for materials that are actually needed. c..........................................................teacher time spent in acquiring materials is less. d............................................All of the above are advantages of commercial science kits.

Education

Which of the following disorders/disabilities is most closely associated with issues related to identifying and understanding others’ emotions?

a. Attention Deficit Hyperactivity Disorder (ADHD) b. Autism Spectrum Disorder c. Reading Disability d. Math Disability

Education

Vera's old mechanical bathroom scale used to tell her weights that always agreed with the scale at the doctor's office. Then one day the dial on her old scale was damaged and the numbers got scrambled. The scale still operates the same way—it gives her

the same weight from day to day. But the weight it gives her now is 27 pounds. Vera's scale is now: a) reliable, but not valid. b) valid, but not reliable. c) both reliable and valid. d) neither reliable nor valid.

Education